linux-kernel - [patch V4 part 5 12/31] x86/entry/32: Remove common

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Date:   Tue, 05 May 2020 15:53:53 +0200
From:   Thomas Gleixner <tglx@...utronix.de>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     x86@...nel.org, "Paul E. McKenney" <paulmck@...nel.org>,
        Andy Lutomirski <luto@...nel.org>,
        Alexandre Chartre <alexandre.chartre@...cle.com>,
        Frederic Weisbecker <frederic@...nel.org>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Sean Christopherson <sean.j.christopherson@...el.com>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Petr Mladek <pmladek@...e.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Joel Fernandes <joel@...lfernandes.org>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Juergen Gross <jgross@...e.com>,
        Brian Gerst <brgerst@...il.com>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Will Deacon <will@...nel.org>
Subject: [patch V4 part 5 12/31] x86/entry/32: Remove common_exception

No more users.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
 arch/x86/entry/entry_32.S |   21 ---------------------
 1 file changed, 21 deletions(-)

--- a/arch/x86/entry/entry_32.S
+++ b/arch/x86/entry/entry_32.S
@@ -1394,27 +1394,6 @@ BUILD_INTERRUPT3(hv_stimer0_callback_vec
 
 #endif /* CONFIG_HYPERV */
 
-SYM_CODE_START_LOCAL_NOALIGN(common_exception)
-	/* the function address is in %gs's slot on the stack */
-	SAVE_ALL switch_stacks=1 skip_gs=1 unwind_espfix=1
-	ENCODE_FRAME_POINTER
-
-	/* fixup %gs */
-	GS_TO_REG %ecx
-	movl	PT_GS(%esp), %edi		# get the function address
-	REG_TO_PTGS %ecx
-	SET_KERNEL_GS %ecx
-
-	/* fixup orig %eax */
-	movl	PT_ORIG_EAX(%esp), %edx		# get the error code
-	movl	$-1, PT_ORIG_EAX(%esp)		# no syscall to restart
-
-	TRACE_IRQS_OFF
-	movl	%esp, %eax			# pt_regs pointer
-	CALL_NOSPEC edi
-	jmp	ret_from_exception
-SYM_CODE_END(common_exception)
-
 SYM_CODE_START_LOCAL_NOALIGN(handle_exception)
 	/* the function address is in %gs's slot on the stack */
 	SAVE_ALL switch_stacks=1 skip_gs=1 unwind_espfix=1